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Auto margins don't center image in page

...a flexbox: display: flex; align-items: center; justify-content: center and now your content is horizontally and vertically centered. Or move that to align-self: center; justify-self: center on the content itself. css-tricks.com/snippets/css/a-guide-to-flexbox – Mike 'Pomax' Kam...
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What is the difference between location list and quickfix list in vim

...us to move through those lists without opening the associated windows and knowing the difference between those lists is key to using those commands efficiently. Hands-on illustrated example: Do :lvim foo % in foo.txt to create a location list for the window containing foo.txt. Do :lne a few ti...
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How do I get my C# program to sleep for 50 msec?

...lisecondsToWait) { break; } } We could also use DateTime.Now or other means of time measurement, but Stopwatch is much faster (and this would really become visible in tight loop). for 3. - Combination: Stopwatch stopwatch = Stopwatch.StartNew(); while (true) { //some other pr...
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How do I check that a Java String is not all whitespaces?

... This is now incorrect. StringUtils.isEmpty will now return false if you pass in " ". – James Spence May 30 '17 at 20:25 ...
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Github “Updates were rejected because the remote contains work that you do not have locally.”

...ries' if you have initialized repo in github and also committed locally //now, push your work to your new repo git push origin master Now you will be able to push your repository to github. Basically, you have to merge those new initialized files with your work. git pull fetches and merges for y...
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Why do std::shared_ptr work

...nique_ptr (say by rvalue-reference), that function does not and needs not know what the deleter is. – David Rodríguez - dribeas Jan 16 '16 at 19:09  |  ...
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In C++, what is a “namespace alias”?

...ion - in fact there have been far more obvious questions asked in the past now with many votes. Having said that, people might feel you're simply trying to gain reputation for yourself. A way round this is to mark one or both of the question/answer as "community wiki". Personally I'd go with ques...
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Have a div cling to top of screen if scrolled down past it [duplicate]

...ed; top: 0; } EDIT- Modified code to cache jQuery objects, faster now. share | improve this answer | follow | ...
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How can I strip first and last double quotes?

... I'd recommend handling strings that are 2 characters or less. Right now this function can throw an index out of bounds exception for a string of length 0. Additionally, you can strip a quote from a string that is 1 character long. You could add a guard, len(s) >= 2, or something similar. ...
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LEFT OUTER joins in Rails 3

...In Rails 3, this is the only way to have true control over your joins and know exactly what's going on. – Joshua Pinter Jan 29 '18 at 16:26 add a comment  |...